Rough idle

1996 CHEVROLET S-10
140,000 MILES • 4.3L • 6 CYL • 4WD • AUTOMATIC
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RLS10
  • MEMBER
  • 1 POST
Engine shakes at idle. Like it's running on 5 cylinders. Feels like a broken motor mount. But does not miss, backfire or smoke under acceleration but does have loss of power too. Seems to run smooth at high RPMs What would cause this? Thanks
Jan 30, 2021 at 10:39 AM
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SEVAG P
  • ✓ASE Certified Mechanic
  • 405 POSTS
  • ASE Certified Mechanic
hello,

Sounds like you have a cylinder misfiring, read fault codes and send to us for further diagnosis.

check our link below how to check fault codes:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Check our links below how to repair miss fire and hesitation:

https://www.2carpros.com/articles/engine-hesitates

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

Hope these helps let us know what happens with you.

thank you.
Jan 30, 2021 at 1:09 PM
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